package com.itheima.springbootwebtlias.controller;

import com.itheima.springbootwebtlias.pojo.Emp;
import com.itheima.springbootwebtlias.pojo.Result;
import com.itheima.springbootwebtlias.service.EmpService;
import com.itheima.springbootwebtlias.util.JwtUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestController
public class LoginController {
    @Autowired
    private EmpService empService;

    //登录
    @PostMapping("/login")
    public Result login(@RequestBody Emp emp){
        //1.接收请求参数：用户名，密码
        //json格式：@RequestBody + 定义实体对象/map对象
        log.info("登录，请求参数：{}",emp);

        //2.调用业务层service的功能方法，登录
        Emp resultEmp = empService.checkLogin(emp);

        Map map = new HashMap();
        map.put("id",resultEmp.getId());
        map.put("username",resultEmp.getUsername());
        map.put("name",resultEmp.getName());

        //3.登录成功，生成jwt令牌
        String jwtToken = JwtUtils.generateJwt(map);//生成令牌
        map.put("token",jwtToken);//颁发令牌
        log.info("登录成功，生成jwt令牌：{}",jwtToken);

        //4.封装响应结果
        return Result.success(map);
    }
}
